Towards a top-down and bottom-up bidirectional approach to joint information extraction.
Xiaofeng YuIrwin KingMichael R. LyuPublished in: CIKM (2011)
Keyphrases
- information extraction
- natural language processing
- named entities
- text mining
- semi structured
- precision and recall
- information retrieval
- textual data
- free text
- relation extraction
- web documents
- machine learning
- question answering
- relational learning
- named entity recognition
- information extraction systems
- ontology based information extraction
- web mining
- text documents
- conditional random fields
- knowledge representation
- information systems
- machine translation
- text classification
- unstructured text
- real world
- data sets